2540580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 8515584

約数和(自身を除く): 5975004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 263, 276, 322, 345, 420, 460, 483, 526, 644, 690, 789, 805, 966, 1052, 1315, 1380, 1578, 1610, 1841, 1932, 2415, 2630, 3156, 3220, 3682, 3945, 4830, 5260, 5523, 6049, 7364, 7890, 9205, 9660, 11046, 12098, 15780, 18147, 18410, 22092, 24196, 27615, 30245, 36294, 36820, 42343, 55230, 60490, 72588, 84686, 90735, 110460, 120980, 127029, 169372, 181470, 211715, 254058, 362940, 423430, 508116, 635145, 846860, 1270290, 2540580]

約数ペア:

[(1, 2540580), (2, 1270290), (3, 846860), (4, 635145), (5, 508116), (6, 423430), (7, 362940), (10, 254058), (12, 211715), (14, 181470), (15, 169372), (20, 127029), (21, 120980), (23, 110460), (28, 90735), (30, 84686), (35, 72588), (42, 60490), (46, 55230), (60, 42343), (69, 36820), (70, 36294), (84, 30245), (92, 27615), (105, 24196), (115, 22092), (138, 18410), (140, 18147), (161, 15780), (210, 12098), (230, 11046), (263, 9660), (276, 9205), (322, 7890), (345, 7364), (420, 6049), (460, 5523), (483, 5260), (526, 4830), (644, 3945), (690, 3682), (789, 3220), (805, 3156), (966, 2630), (1052, 2415), (1315, 1932), (1380, 1841), (1578, 1610)]